菜心种质资源遗传多样性的SCoT分析
【目的】利用SCo T标记分析菜心种质资源的遗传多样性,为其分类和利用提供理论依据。【方法】搜集熟期和株色各异的33份菜心种质资源,利用筛选的12条SCo T引物对其进行遗传多样性分析。【结果】12条引物从33份菜心共扩增出83条带,引物多态性百分率变化范围为2.63%-57.89%,平均多态性百分率为36.00%;每条引物多态性条带变化范围为4-9条,平均3.4条;扩增片段大小为500-1500 bp。观察等位基因数（Na）为1.065,有效等位基因数（Ne）为1.254,Shannon’s信息多样性指数（I）为0.217,期望杂合度（He）为0.149,平均Nei’s遗传距离为0.428。...
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| Published in | 南方农业学报 Vol. 46; no. 8; pp. 1350 - 1355 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
广西农业科学院蔬菜研究所,南宁530007
2015
广西作物遗传改良生物技术重点开放实验室,南宁530007%广西农业科学院蔬菜研究所,南宁,530007%广西农业科学院经济作物研究所,南宁,530007 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 2095-1191 |
| DOI | 10.3969/j:issn.2095-1191.2015.08.1350 |
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| Abstract | 【目的】利用SCo T标记分析菜心种质资源的遗传多样性,为其分类和利用提供理论依据。【方法】搜集熟期和株色各异的33份菜心种质资源,利用筛选的12条SCo T引物对其进行遗传多样性分析。【结果】12条引物从33份菜心共扩增出83条带,引物多态性百分率变化范围为2.63%-57.89%,平均多态性百分率为36.00%;每条引物多态性条带变化范围为4-9条,平均3.4条;扩增片段大小为500-1500 bp。观察等位基因数（Na）为1.065,有效等位基因数（Ne）为1.254,Shannon’s信息多样性指数（I）为0.217,期望杂合度（He）为0.149,平均Nei’s遗传距离为0.428。AMOVA分析发现,81%的变异来源于品种内,19%的变异来源于品种间。聚类分析结果表明,在Nei’s遗传距离0.24处可将33份菜心分成两大类,第一类包括14个早熟品种、2个中熟和1个晚熟品种;第二类包括10个中晚熟品种和6个早熟品种。【结论】SCo T标记的分类结果与熟期分类结果较一致,多数菜心品种可根据熟期和SCo T标记归类;SCo T标记具有操作简单、重复性高、多态性较丰富等优点,可用于菜心遗传多样性研究的初步批量检测。 |
|---|---|
| AbstractList | 【目的】利用SCo T标记分析菜心种质资源的遗传多样性,为其分类和利用提供理论依据。【方法】搜集熟期和株色各异的33份菜心种质资源,利用筛选的12条SCo T引物对其进行遗传多样性分析。【结果】12条引物从33份菜心共扩增出83条带,引物多态性百分率变化范围为2.63%-57.89%,平均多态性百分率为36.00%;每条引物多态性条带变化范围为4-9条,平均3.4条;扩增片段大小为500-1500 bp。观察等位基因数（Na）为1.065,有效等位基因数（Ne）为1.254,Shannon’s信息多样性指数（I）为0.217,期望杂合度（He）为0.149,平均Nei’s遗传距离为0.428。AMOVA分析发现,81%的变异来源于品种内,19%的变异来源于品种间。聚类分析结果表明,在Nei’s遗传距离0.24处可将33份菜心分成两大类,第一类包括14个早熟品种、2个中熟和1个晚熟品种;第二类包括10个中晚熟品种和6个早熟品种。【结论】SCo T标记的分类结果与熟期分类结果较一致,多数菜心品种可根据熟期和SCo T标记归类;SCo T标记具有操作简单、重复性高、多态性较丰富等优点,可用于菜心遗传多样性研究的初步批量检测。 S634.5; [目的]利用SCoT标记分析菜心种质资源的遗传多样性,为其分类和利用提供理论依据.[方法]搜集熟期和株色各异的33份菜心种质资源,利用筛选的12条SCoT引物对其进行遗传多样性分析.[结果]12条引物从33份菜心共扩增出83条带,引物多态性百分率变化范围为2.63％～57.89％,平均多态性百分率为36.00％;每条引物多态性条带变化范围为4～9条,平均3.4条;扩增片段大小为500～1500 bp.观察等位基因数(Na)为1.065,有效等位基因数(Ne)为1.254,Shannon's信息多样性指数(Ⅰ)为0.217,期望杂合度(He)为0.149,平均Nei's遗传距离为0.428.AMOVA分析发现,81％的变异来源于品种内,19％的变异来源于品种间.聚类分析结果表明,在Nei's遗传距离0.24处可将33份菜心分成两大类,第一类包括14个早熟品种、2个中熟和1个晚熟品种;第二类包括10个中晚熟品种和6个早熟品种.[结论]SCoT标记的分类结果与熟期分类结果较一致,多数菜心品种可根据熟期和SCoT标记归类;SCoT标记具有操作简单、重复性高、多态性较丰富等优点,可用于菜心遗传多样性研究的初步批量检测. |
| Author | 史卫东 琚茜茜 张力 罗海玲 熊发前 康红卫 |
| AuthorAffiliation | 广西农业科学院蔬菜研究所,南宁530007 广西作物遗传改良生物技术重点开放实验室,南宁530007 广西农业科学院经济作物研究所,南宁530007 |
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| Author_FL | ZHANG Li KANG Hong-wei XIONG Fa-qian SHI Wei-dong LUO Hai-ling JU Xi-xi |
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| ClassificationCodes | S634.5 |
| ContentType | Journal Article |
| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j:issn.2095-1191.2015.08.1350 |
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| DocumentTitleAlternate | Analysis on genetic diversity of Chinese flowering cabbage（Brassica campestris L. ssp. chinensis Var. utilis Tsen et Le）germplasms based on SCoT markers |
| DocumentTitle_FL | Analysis on genetic diversity of Chinese flowering cabbage (Brassica campestris L.ssp.chinensis Var.utilis Tsen et Le) germplasms based on SCoT markers |
| EndPage | 1355 |
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| Keywords | genetic diversity SCoT Chinese flowering cabbage (Brassica Campestris L.ssp.chinensis Var.utilis Tsen et Le) 遗传多样性 菜心 cluster analysis 聚类分析 |
| Language | Chinese |
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| Notes | Objective】The SCo T markers were used to assess genetic diversity of Chinese flowering cabbage germplasms, in order to provide theoretical basis for its classification and utilization. 【Method】Thirty-three Chinese flowering cabbage varieties were collected based on two phenotypic characters viz., maturity and color. Then 12 screened SCo T primers were used to assess genetic diversity of Chinese flowering cabbage. 【Result】A total of 83 DNA fragments were amplified with 12 SCo T primers. The polymorphic rate for each primer ranged from 2.63% to 57.89%, with average of 36.00%.The number of polymorphic bands was 4-9 for each primer, with average of 3.4. And the amplified fragment sizes ranged from 500 bp to 1500 bp. In addition, the number of different alleles（Na） was 1.065, the number of effective alleles（Ne）was 1.254, Shannon＇s Information Index（I） was 0.217, expected heterozygosity（He） was 0.149, and the average Nei＇s genetic distance was 0.428. AMOVA analysis showed that 81% variation was within varieties and |
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| PublicationTitle | 南方农业学报 |
| PublicationTitleAlternate | Journal of Southern Agriculture |
| PublicationTitle_FL | Journal of Southern Agriculture |
| PublicationYear | 2015 |
| Publisher | 广西农业科学院蔬菜研究所,南宁530007 广西作物遗传改良生物技术重点开放实验室,南宁530007%广西农业科学院蔬菜研究所,南宁,530007%广西农业科学院经济作物研究所,南宁,530007 |
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| Snippet | 【目的】利用SCo T标记分析菜心种质资源的遗传多样性,为其分类和利用提供理论依据。【方法】搜集熟期和株色各异的33份菜心种质资源,利用筛选的12条SCo T引物对其进行遗传多样性... S634.5; [目的]利用SCoT标记分析菜心种质资源的遗传多样性,为其分类和利用提供理论依据.[方法]搜集熟期和株色各异的33份菜心种质资源,利用筛选的12条SCoT引物对其进行遗传... |
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| SubjectTerms | SCoT 聚类分析 菜心 遗传多样性 |
| Title | 菜心种质资源遗传多样性的SCoT分析 |
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